diff --git a/programs/Makefile b/programs/Makefile
index 025d8f5..9ad47ec 100644
--- a/programs/Makefile
+++ b/programs/Makefile
@@ -3,9 +3,9 @@
 # To compile on MinGW: add "-lws2_32" to LDFLAGS
 # To compile with PKCS11: add "-lpkcs11-helper" to LDFLAGS
 
-CFLAGS	= -I../include -D_FILE_OFFSET_BITS=64 -Wall -W -Wdeclaration-after-statement
+CFLAGS	+= -I../include -D_FILE_OFFSET_BITS=64 -Wall -W -Wdeclaration-after-statement
 OFLAGS	= -O
-LDFLAGS	= -L../library -lpolarssl
+LDFLAGS	+= -L../library -lpolarssl
 
 APPS =	aes/aescrypt2	aes/crypt_and_hash	\
 	hash/hello			hash/generic_sum	\